Answer:
3( search and rescues triage trailer
Explanation
I say this because you need to start triage as soon as possible and you need patients for triage so search and rescue comes into that
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The main difference between EHR and PHR systems is that EHR systems are manged by health care providers and PHR systems are used by the patient. The terms EHR, PHR, and even electronic medical record (EHR), are frequently used interchangeably, but are actually quite different.
Certain contraindications exist for laparoscopic appendectomy, including extensive adhesions, radiation, or immunosuppressive therapy, severe portal hypertension coagulopathies. Laparoscopic appendectomy is contraindicated in the first trimester of pregnancy. Hope this answers/helps